Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Modified polypropylene master batch, modified melt-blown fabric material and improved melt-blown fabric processing method

A processing method, polypropylene technology, applied in the direction of non-woven fabrics, textiles and papermaking, etc., can solve the problems of high elongation at break, poor toughness, easy breakage, etc., to improve the stability of capture and charge storage, Effect of increasing crystallinity and reducing dosage

Pending Publication Date: 2020-11-06
苏州工业园区拓朴环保净化有限公司
View PDF2 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At the same time, the melt-blown cloth will be mechanically pulled during the mask making process, so it has high requirements for elongation at break, while the existing electret melt-blown cloth has poor toughness and is easy to break after adding electret materials

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Modified polypropylene master batch, modified melt-blown fabric material and improved melt-blown fabric processing method
  • Modified polypropylene master batch, modified melt-blown fabric material and improved melt-blown fabric processing method
  • Modified polypropylene master batch, modified melt-blown fabric material and improved melt-blown fabric processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Adopt 77 parts of polypropylene (melt index 1500g / 10min), 5 parts of low molecular weight polyethylene wax, 0.5 part of molecular weight regulator, 0.1 part of antioxidant 1010, 0.2 part of antioxidant 168, 2 parts of lubricant , 0.2 parts of trimesisamide derivatives, 3 parts of alkyl coupling agent, 12 parts of electret particles. Put them in a high-speed mixer and mix them in sequence, then transfer to a twin-screw co-extruder with an aspect ratio of 30 for melt blending and extrusion, the temperature of the melting section is 125-150°C, and after granulation, the particles are dried to obtain modified polystyrene Functional polypropylene masterbatch material.

Embodiment 2

[0060] Adopt 66 parts of polypropylene (melt index 1500g / 10min), 10 parts of low molecular weight polyethylene wax, 0.3 part of molecular weight modifier, 0.1 part of antioxidant 1010, 0.2 part of antioxidant 168, 2 parts of lubricant , 0.4 parts of trimesisamide derivatives, 5 parts of alkyl coupling agent, and 16 parts of electret particles. Put them in a high-speed mixer and mix them in sequence, then transfer to a twin-screw co-extruder with an aspect ratio of 30 for melt blending and extrusion, the temperature of the melting section is 125-150°C, and after granulation, the particles are dried to obtain modified polystyrene Functional polypropylene masterbatch material.

Embodiment 3

[0062] Adopt 71 parts of polypropylene (melt index 1500g / 10min), 8 parts of low molecular weight polyethylene wax, 0.4 part of molecular weight modifier, 0.1 part of antioxidant 1010, 0.2 part of antioxidant 168, 3 parts of lubricant , 0.3 parts of trimesisamide derivatives, 2 parts of alkyl coupling agent, 15 parts of electret particles. Put them into a high-speed mixer in order to mix them, transfer them to a twin-screw co-extruder with an aspect ratio of 30 for melt blending and extrusion, the temperature of the melting section is 125-150°C, and dry the particles after granulation to obtain the modified multi- Functional polypropylene masterbatch material.

[0063] In the actual preparation of melt-blown cloth, in addition to using the modified polypropylene masterbatch as a material, conventional polypropylene masterbatch can also be added, thereby reducing material costs and achieving an effective combination of cost and performance improvement of the final melt-blown clo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Melt indexaaaaaaaaaa
Login to View More

Abstract

The invention discloses a modified polypropylene master batch, a modified melt-blown cloth material and an improved melt-blown cloth processing method. The modified polypropylene master batch comprises polypropylene, an antioxidant, low molecular weight polyethylene wax, an alkyl coupling agent, electret particles, a lubricant and modified polypropylene, and the modified polypropylene at least comprises trimesoyl amide derivatives obtained by modifying trimesoyl amide. The invention provides a safer and more effective melt-blown cloth material. By adding the modified nucleating agent, the crystallinity of the polypropylene can be improved, and the capture and charge storage stability of space charges can be obviously improved along with the increase of the crystallinity and the size so that the dosage of the nano electret material can be reduced, the potential risk is reduced, the charge storage amount can be effectively increased, and the charge storage time can be effectively prolonged.

Description

technical field [0001] The invention relates to the field of filter materials, in particular to a modified polypropylene masterbatch, a modified melt-blown cloth material and an improved melt-blown cloth processing method. Background technique [0002] Melt-blown polypropylene nonwoven fabric, referred to as melt-blown fabric, is made of polypropylene melt extruded by an extruder and stretched by high-temperature airflow to form ultra-fine fibers, which are then wound and condensed into a fiber web by honeycomb porous rolls. It is made by bonding and strengthening in its own molten state. [0003] Melt-blown cloth is the core material of the mask. The melt-blown cloth uses polypropylene as the main raw material, and the fiber diameter can reach 1-5 microns. There are many voids, fluffy structure, and good wrinkle resistance. The ultrafine fibers with unique capillary structure increase the number and surface area of ​​fibers per unit area, so that the melt blown cloth has g...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08L23/12C08K5/20C08J3/22D04H1/544D04H1/56
CPCC08J3/226D04H1/544D04H1/56C08J2323/12C08J2423/12C08K5/20
Inventor 邵可为杨伟婷
Owner 苏州工业园区拓朴环保净化有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com